Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
549001267Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2381585434851419199672167.72016-11-09 13:24:01
History
DateUserTypeResult
2016-11-09ConductorF
Factor: 238158543485141919967 / TF: 67-68
2016-02-03sasakiNF
no factor from 2^66 to 2^67
2014-10-28sasakiNF
no factor from 2^65 to 2^66